var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session')
var flash = require('connect-flash')
//第一步修改routers
var routes = require('./routes/index');
//var users = require('./routes/users');
var settings = require('./setting')
var app = express();
var MongoStore = require('connect-mongo')(session)
// view engine setup
//第二步修改ejs模版引擎
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(flash())
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({
  secret:settings.cookieSecret,
  key:settings.db,
  cookies:{
    maxAge:1000*60*60*24*30
  },
  store:new MongoStore({
    url:'mongodb://localhost/lastblog'
  })
}))
//第三步应用实例传入到路由文件中
routes(app)
// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});
app.listen(3003,function(){
  console.log('running')
})
module.exports = app;
